KDE SC 4.6 was released today, brining polish to existing functionality as well as some cool new features and bug fixes.

Probably the biggest change in KDE 4.6 is the redesign of the Activities system which makes it easy to associate applications to activities - once you create some new activities, right clicking an window title you'll have an option to make that application part of a certain activity as you can see in the screenshot below:

Other improvements include: faster KWin (which now works with more graphics drivers), revamped Power management, rogram start-up notifications are now handled more efficiently revamped notifications system, better integration of GTK applications thanks to a completely rewritten Oxygen GTK theme and of course, updates/new features for most of the KDE applications, like routing capabilities in Marble, advanced filtering and searching using file metadata in the Dolphin and so on.